How to Increase Strength Without Size (✅The Smart Way)

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Increase Strength Without Size

Want to get stronger without gaining size? It’s absolutely possible to build power, lift heavier, and become a gym powerhouse without turning into a bodybuilder. The key is knowing how to train, eat, and recover without triggering muscle growth.

If you’re tired of the idea that strength always equals bulk, you’re in the right place. This guide will walk you through the most effective strategies to get stronger while keeping that lean, athletic physique.

Ready to learn the secrets to lifting heavy without looking like you bench press cars? Let’s get started!

Can You Get Stronger Without Bulking Up?

Alright, let’s cut to the chase—yes, you CAN get stronger without looking like a bodybuilder who moonlights as a protein shake spokesperson. You just have to train smart, not just hard.

Now, let’s break it down: why do some people gain size while others just get freakishly strong without looking the part?

The Science Behind Strength vs. Muscle Growth

Strength and muscle size are related, but they’re not the same thing. Here’s the deal:

Factor
Strength Gains
Muscle Growth (Hypertrophy)
Main Driver
Nervous system efficiency
Muscle fiber enlargement
Rep Range
1-5 reps (heavy weight)
6-12 reps (moderate weight)
Rest Period
2-5 minutes (full recovery)
30-90 seconds (muscle fatigue)
Training Focus
Explosive force & neural adaptation
Time under tension & metabolic stress

So, if you want to get strong without getting swole, you need to train your nervous system, not just your muscles. That means heavy weight, low reps, and long rest periods.

I’ve trained powerlifters who could deadlift a small car but still fit into a medium T-shirt—because their nervous system got stronger, not just their muscles.


Why Some People Gain Size While Others Don’t

Ever wonder why some guys hit the gym for six months and suddenly look like The Hulk, while others lift like a beast and still look like they work in IT?

Here’s why:

  1. Genetics: Some people are just hardwired to pack on muscle easier than others. If your parents look like Vikings, you might not stay scrawny no matter how you train. (Source 1 – WikiPedia.org)
  2. Training Style: Higher reps, shorter rest, and more volume = bigger muscles. Lower reps, longer rest, and heavy lifting = more strength, less size. (Source 2 – WikiPedia.org)
  3. Diet: Calories build size. If you’re eating like The Rock but training like a powerlifter, you’re gonna gain mass.

I once trained a guy who was desperate to stay lean but wanted to deadlift 500 lbs. His secret? Lots of heavy lifting, tons of sleep, and a diet that wouldn’t feed a small village. He got crazy strong—but didn’t gain a single inch on his arms.


Key Training Principles for Strength Without Hypertrophy

If you want brute strength without blowing up like a balloon, stick to these rules:

  • Lift Heavy, Low Reps: 1-5 reps, 85-95% of your max. This forces your nervous system to adapt instead of just building bigger muscles.
  • Long Rest Periods: Give your muscles a solid 2-5 minutes to recover between sets. This keeps fatigue low, so you don’t trigger muscle growth.
  • Train Explosively: Move the weight fast (while controlling the eccentric phase). The more explosive your lifts, the more power you build without excess size.
  • Don’t Train to Failure: Leaving 1-2 reps in the tank stops excessive muscle breakdown (which leads to size gain).
  • Limit Training Volume: Keep your total sets per muscle group low (around 3-5 per session). More volume = more size.

Final Takeaway: Get Strong, Stay Lean

If your goal is to be strong without outgrowing your favorite hoodie, remember:

  • Lift heavy, keep reps low, rest long, eat smart.
  • Your nervous system is your secret weapon—train it, don’t just chase the pump.
  • Genetics play a role, but training and diet matter just as much.

Trust me, I’ve coached plenty of lean, wiry guys who can squat double their body weight—and nobody would suspect it just by looking at them. Now, are you ready to be the strongest “normal-looking” person in the gym? Let’s get to work! 💪


Strength Training Without Muscle Gain – The Core Principles

Strength Training Without Muscle Gain

So, you want superhuman strength without stretching out your T-shirts? Good news—you don’t need to be built like a tank to lift like one. The secret? Training your nervous system, not just your muscles. Let’s break it down.


Prioritize Neural Adaptation Over Muscle Growth

Your nervous system is the hidden MVP of strength. When you lift, your brain and spinal cord send signals to your muscles, telling them how many motor units to fire. More motor units = more strength.

How Your Nervous System Impacts Strength

Think of your muscles like a car engine:

  • 🚗 A regular lifter’s engine: Running at 60% capacity. Plenty of horsepower left unused.
  • 🚀 A strength-focused lifter’s engine: Running at 95% capacity. Every cylinder firing efficiently.

If you train for strength (without size), your nervous system learns to recruit more motor units—without growing the muscle fibers themselves. This is how powerlifters and gymnasts get insanely strong without looking massive. (Source – Health.com)


The Role of Motor Unit Recruitment and Efficiency

A motor unit is a nerve and all the muscle fibers it controls. To lift heavier without growing bigger, you need your nervous system to activate more of them at once.

Here’s how to do it:

Technique
Effect on Nervous System
Muscle Growth?
Heavy lifting (85-95% of 1RM)
Maximizes motor unit recruitment
❌ Minimal
Fast, explosive lifts
Improves nerve-muscle coordination
❌ Minimal
Low reps, long rest
Avoids muscle fatigue
❌ No hypertrophy
Isometric holds (pause reps)
Strengthens neural drive
❌ No size gain

When I first learned this, it blew my mind. I had a 140-lb client who could deadlift over 400 lbs—he never trained for size, just pure strength. His secret? Nervous system efficiency.


Lift Heavy, But Keep Reps Low

Here’s the golden rule: Heavy weight + low reps = strength. Light weight + high reps = size.

The Best Rep and Set Ranges for Strength

If you want to be strong without getting bigger, train like this:

Goal
Reps Per Set
Sets
Rest Time
Intensity
Max Strength
1-5
4-6
3-5 min
85-95% 1RM
Muscle Growth (Hypertrophy)
6-12
3-5
30-90 sec
65-80% 1RM

That low-rep, heavy-weight zone is where your nervous system thrives.


Why High Reps Lead to Hypertrophy

If you start cranking out 8-12 reps per set, you’re sending a different signal to your body:

  • ⚡ Strength training (1-5 reps) = “We need to fire motor units faster!”
  • 💪 Hypertrophy training (6-12 reps) = “We need to grow bigger muscles!”

I learned this lesson the hard way. Back when I thought more volume = better strength, I started doing tons of reps on squats. Within months, my legs barely fit in my jeans—but my squat didn’t improve much. Lesson? Low reps, long rest = strength gains without the bulk.

If you’re a woman looking to build strength at home, you don’t need a gym to see results. This guide on strength training at home for women provides simple, effective exercises to help you get stronger without bulking up.


Focus on Explosive Movements

Strength isn’t just about grinding through heavy reps—it’s also about moving the weight FAST.

How Speed and Power Improve Strength

Fast, explosive movements train your body to fire motor units instantly, which means more strength without more size.

  • 💥 Slow lifts = More time under tension = More muscle growth
  • ⚡ Explosive lifts = Fast neural activation = More strength

Best Explosive Exercises for Strength Without Bulk

To maximize power without gaining muscle, add these into your routine:

ExerciseWhy It Works
Olympic Lifts (Cleans, Snatches)Trains max force production
Speed DeadliftsBuilds power without excess fatigue
Jump Squats (Bodyweight or Weighted)Improves leg strength without size
Plyometric Push-UpsBoosts upper-body explosiveness
Medicine Ball SlamsEnhances full-body power

When I added cleans and explosive deadlifts to my training, my strength shot up FAST—but my weight barely changed. That’s when I knew this method was gold.

To build strength without bulking up, don’t neglect your hamstrings. Strong hamstrings are key for overall power. Check out these best hamstring exercises for strength to boost your performance without adding excess size.


Final Takeaway: Train Smart, Not Just Hard

If you want crazy strength without bulking up, remember:

  1. Train your nervous system, not just your muscles
  2. Lift heavy, keep reps low, and rest longer
  3. Use explosive movements for maximum power
  4. Avoid high reps and excessive volume

Follow these rules, and soon you’ll be strong enough to lift a car—but still light enough to fit in the driver’s seat. 😆


Best Strength Training Methods to Avoid Bulking

Best Strength Training Methods to Avoid Bulking

If you want gorilla-level strength without filling out XXL shirts, your training needs to be strategic. You can’t just copy the biggest guy in the gym and hope for different results. Let’s break down the best strength training methods that boost power without adding unnecessary muscle mass.


Maximal Strength Training (Heavy Weights, Low Reps, Long Rest)

If strength is the goal, maximal strength training is your best friend. Heavy weights, low reps, and long rest periods keep your nervous system sharp without triggering excessive muscle growth.

How It Works

Maximal strength training focuses on neural adaptation, not muscle hypertrophy. Your body learns to fire more motor units, making you stronger without adding size.

Training Variable
Best for Strength (Without Bulk)
Best for Hypertrophy (Muscle Growth)
Reps per Set
1-5
6-12
Sets per Exercise
4-6
3-5
Rest Periods
3-5 minutes
30-90 seconds
Weight Intensity
85-95% of 1RM
65-80% of 1RM

When I first switched to maximal strength training, I saw my deadlift jump 50 lbs in a few months, but my bodyweight barely changed. My secret? Fewer reps, more rest, and never chasing the pump.

To build strength without size, understanding training systems is key. Bodybuilding routines focus on muscle growth, while strength training emphasizes power. Learn more about the difference in this guide on bodybuilding training systems.

Key Principles of Maximal Strength Training

  • Use compound movements (Squats, Deadlifts, Bench Press, Pull-Ups)
  • Stick to 1-5 reps per set
  • Rest at least 3 minutes between sets
  • Focus on perfect form and bar speed
  • Train 3-4 days a week to avoid excessive fatigue

Powerlifting vs. Bodybuilding – Key Differences

Ever wonder why powerlifters can squat 600 lbs but still look like regular dudes, while bodybuilders have tree-trunk legs but squat way less? That’s because powerlifting and bodybuilding follow completely different rules.

Factor
Powerlifting (Strength)
Bodybuilding (Muscle Growth)
Main Goal
Maximal strength
Muscle size & symmetry
Rep Range
1-5
6-12
Rest Time
3-5 min
30-90 sec
Training Volume
Lower
Higher
Focus
Neural efficiency
Time under tension
Exercise Selection
Squat, Bench, Deadlift, Overhead Press
Isolation exercises, machines, higher reps

Why Powerlifting Builds Strength Without Bulk

  • Low reps, high intensity forces the nervous system to recruit more motor units.
  • Longer rest times prevent excessive muscle fatigue and hypertrophy.
  • Strength is built through efficiency, not necessarily bigger muscles.

When I trained like a powerlifter, I got stronger than ever—but my arms didn’t balloon up like I expected. It turns out, just because you’re strong doesn’t mean you have to look huge.


Isometric and Eccentric Training for Strength

If you’re looking to get strong without packing on muscle, two underrated methods will take your strength to the next level:

  • 🔥 Isometric Training (Holding tension without movement)
  • ⚡ Eccentric Training (Slowing down the lowering phase of a lift)

Isometric Training – Strength Without Size

Holding a weight without moving builds tendon strength, joint stability, and raw power, all without triggering hypertrophy.

Best isometric exercises:

  • Pause Squats (Hold at the bottom for 3-5 sec)
  • Plank Variations (Great for core strength)
  • Wall Sits (Brutal but effective)
  • Deadlift Holds (Grip and core strength booster)

When I started adding pause squats and deadlift holds, my lifts felt WAY stronger, even though I wasn’t getting any bigger.


Eccentric Training – Unlock More Strength

Slowing down the lowering phase of a lift increases time under tension, which sounds like a hypertrophy trigger—but when used strategically, it can make you stronger without extra bulk.

Best eccentric exercises:

  • Slow Negative Pull-Ups (Lower yourself over 5 seconds)
  • Controlled Romanian Deadlifts (Hamstring strength, no excess size)
  • Slow Lowering Bench Press (More chest strength without bulk)
  • Nordic Hamstring Curls (Elite-level hamstring strength)

Final Takeaway: Train Like a Power Athlete, Not a Bodybuilder

If you want strength without size, remember:

  • Train with heavy weights, low reps, and long rest periods.
  • Stick to powerlifting principles, not bodybuilding volume.
  • Use isometric and eccentric training to boost strength without hypertrophy.
  • Avoid chasing the pump—train for performance, not aesthetics.

Follow these rules, and you’ll be stronger than most guys in the gym—without looking like a mass monster.


Avoid These Mistakes If You Want Strength Without Size

Mistakes Strength Without Size

So, you want to be strong without looking like a bodybuilder who accidentally swallowed a refrigerator? Cool. But if you’re not careful, your training and diet can secretly push you toward muscle growth instead of raw strength. Let’s talk about the biggest mistakes that can sabotage your lean strength gains.


Too Much Volume Leads to Muscle Growth

Ever wonder why bodybuilders spend hours in the gym, doing endless sets and chasing that juicy pump? It’s because training volume (total sets and reps) is the #1 driver of muscle growth. If you do too much work, your muscles WILL grow—whether you want them to or not.

The Science of Volume and Hypertrophy

Factor
Strength Focus
Muscle Growth (Hypertrophy)
Reps per Set
1-5
6-12
Total Sets per Muscle Group (Per Week)
6-10
15-25+
Rest Between Sets
3-5 minutes
30-90 seconds
Training Frequency
2-3x per week
3-6x per week

👉 The Fix: Keep your volume low and your intensity high. Stick to 3-5 sets per exercise, avoid unnecessary accessory work, and focus on maximal effort—not marathon workouts.

I made this mistake early on—thought I needed tons of reps to get stronger. The result? My arms blew up, my legs barely fit in my jeans, and I was gaining mass I didn’t even want. Less volume = more strength, less size.


Training to Failure Can Cause Hypertrophy

You’ve probably heard some gym bro yell, “GO TO FAILURE, BRO!” while doing curls until his arms look like spaghetti. But here’s the truth: training to failure is a one-way ticket to hypertrophy city.

Why Training to Failure Leads to Size Gains

  1. Increases muscle fiber damage → More repair = Bigger muscles
  2. Triggers metabolic stress → Builds endurance AND muscle size
  3. Forces extra reps into hypertrophy ranges → Even if you start heavy, as you fatigue, your sets get longer

👉 The Fix: Stop before failure. Strength athletes always leave 1-2 reps in the tank to avoid excess fatigue and hypertrophy.

When I stopped chasing failure and focused on quality, explosive reps, my lifts shot up, but my body stayed lean. Train smart, not just hard.


Overeating Will Make You Gain Mass

I don’t care how “clean” your diet is—if you eat too many calories, you WILL gain size. Your body doesn’t magically know whether you want strength without bulk—if you overfeed it, it’s going to start packing on muscle and fat.

How Calories Affect Strength vs. Size

Caloric Intake
Effect on Strength
Effect on Muscle Size
Caloric Deficit (Eating Less Than You Burn)
Can still build strength, but slower recovery
No muscle growth
Maintenance Calories (Eating Exactly What You Burn)
Strength gains without size
No significant hypertrophy
Caloric Surplus (Eating More Than You Burn)
Faster strength gains
Muscle (and possibly fat) growth

👉 The Fix: If you want strength without size, eat at maintenance calories with high protein and healthy fats. Carbs should be based on activity levels, not just because you love bread.

I once had a client who wanted to stay lean but kept crushing 4,000 calories a day because he thought it would help his lifts. It did—but it also made him gain 15 lbs. Diet is the ultimate size regulator—control it.


Final Takeaway: Train Smart, Eat Smarter

If you want maximum strength without bulking up, avoid these traps:

  • 🚫 Too much volume = More muscle growth, not just strength
  • 🚫 Training to failure = Fatigue leads to hypertrophy
  • 🚫 Overeating = Strength gains, but also SIZE gains

Stick to low reps, heavy weight, long rest, and controlled calories, and you’ll be crazy strong without outgrowing your wardrobe.


How to Eat for Strength Gains Without Getting Bigger

You want to be strong like a bear, but not built like one? Then your diet needs to be on point. Strength training alone won’t bulk you up—but if you eat like a bodybuilder, you’ll start looking like one. Here’s how to fuel your strength gains without packing on unwanted muscle.


The Right Caloric Intake to Maintain Size

The golden rule? Eat for performance, not for size. Your body only grows when you feed it more than it needs, so if you want to stay lean while getting stronger, you need to keep your calories at maintenance level.

How to Find Your Maintenance Calories

  1. Multiply your body weight (in pounds) by 14-16 for an estimate.
    • Example: If you weigh 170 lbs, maintenance is roughly 2,380-2,720 calories/day
  2. Adjust based on activity level—more movement? Eat a little more. Sitting at a desk all day? Go toward the lower end.
  3. Track your weight and strength performance—if you’re gaining mass, dial calories back. If you’re feeling weak, add a bit more fuel.

Caloric Intake Breakdown for Strength Without Bulk

Goal
Caloric Intake
Expected Outcome
Fat Loss (Deficit)
Body weight × 12-14
You may lose some strength but stay lean
Maintenance (Strength Without Size)
Body weight × 14-16
Strength gains without muscle growth
Muscle Gain (Surplus)
Body weight × 17-20+
Strength + hypertrophy (bulking)

👉 The Fix: Stick to maintenance calories so you fuel strength gains without triggering muscle growth.


Prioritizing Protein Without Overeating

Protein is key for muscle recovery, but eating too much can contribute to muscle growth. The trick is to eat enough for recovery, but not so much that your body starts building excess muscle.

Ideal Protein Intake for Strength Without Bulk

Training GoalProtein Intake (grams per pound of body weight)
Muscle Growth (Hypertrophy)1.0 – 1.2 g/lb
Strength Without Size0.7 – 1.0 g/lb
Minimal Muscle Gain0.5 – 0.7 g/lb

For a 170 lb person, that’s around 120-170g of protein per day.

Best Protein Sources for Strength Without Bulk

  • Lean meats (chicken, turkey, fish)
  • Eggs & egg whites
  • Low-fat dairy (Greek yogurt, cottage cheese)
  • Plant proteins (tofu, lentils, chickpeas)

When I first started tracking my protein, I was eating way more than I needed. Once I dialed it back and kept my intake in check, I stayed lean but kept gaining strength.

👉 The Fix: Hit your protein target but don’t overdo it. More protein ≠ more strength.


Supplements That Support Strength Without Bulk

Not all supplements are designed to make you huge. Some are perfect for boosting strength, recovery, and performance without adding unnecessary mass.

Best Supplements for Strength Without Bulk

Supplement
Benefit
Does It Cause Bulk?
Creatine Monohydrate
Increases strength & power
🚫 No (unless overeating)
Caffeine
Boosts workout intensity
🚫 No
Beta-Alanine
Improves muscular endurance
🚫 No
Electrolytes
Prevents cramps & improves performance
🚫 No
Protein Powder
Helps meet protein goals
✅ Maybe (if over-consuming)

🚫 What to Avoid

  • Mass Gainers – Loaded with extra calories, leading to size gain.
  • Testosterone Boosters – Can trigger excess muscle growth.
  • High-Calorie Protein Shakes – Stick to lean protein sources instead.

👉 The Fix: Use performance-enhancing supplements, not mass-building ones.


Final Takeaway: Eat for Strength, Not Size

If you want strength without bulk, stick to these nutrition rules:

  • Eat at maintenance calories to fuel performance without mass gain.
  • Keep protein intake in check—enough for recovery, not excess growth.
  • Use smart supplements that enhance strength without bulking you up.

Train hard, eat smart, and stay lean while getting stronger! 💪🔥


Sample Strength Routine Without Muscle Growth

Sample Strength Routine Without Muscle Growth

So, you want to be strong enough to bend a frying pan but still fit into your favorite shirts? You need a strategic approach to strength training—one that builds raw power without excessive muscle growth. Here’s your blueprint for max strength without the bulk.


Weekly Training Plan (Example Workouts)

To get stronger without packing on muscle mass, you need:

  • Heavy weights, low reps (1-5 reps per set)
  • Long rest periods (3-5 minutes)
  • Minimal accessory work (to avoid extra volume)
  • Explosive, power-based movements

3-Day Strength Routine (No Bulk, Just Power)

Day
Focus
Main Lifts
Accessory Work (Minimal)
Day 1
Maximal Strength (Lower Body)
Squat (4×3), Deadlift (3×3)
Planks (3×30 sec), Calf Raises (3×10)
Day 2
Maximal Strength (Upper Body)
Bench Press (4×3), Weighted Pull-Ups (3×5)
Farmer’s Carry (3×30 sec)
Day 3
Power & Speed Focus
Power Cleans (4×3), Box Jumps (3×5)
Sprints (5x20m)

👉 The Fix: Stick to 3-4 big lifts per session and avoid excessive sets or isolation exercises that drive hypertrophy.


Ideal Exercise Selection for Strength

You don’t need a complicated routine with a million different movements. The best exercises for strength without size focus on neural adaptation—teaching your body to fire motor units more efficiently, not just grow bigger muscles.

Top Strength-Building Exercises (Without Bulk)

Type
Best Exercises
Why It Works
Max Strength Lifts
Squat, Deadlift, Bench Press, Overhead Press
Heavy, low-rep training for pure strength
Explosive Power
Power Cleans, Box Jumps, Medicine Ball Slams
Increases force production without hypertrophy
Isometric Work
Pause Squats, Dead Hangs, Planks
Builds tendon and joint strength, not size
Grip & Core Strength
Farmer’s Carries, Hanging Leg Raises
Functional strength without adding muscle mass

👉 The Fix: Stick to big, compound movements and explosive exercises—skip the high-rep isolation work that bodybuilders love.


Recovery and Rest Strategies

If you’re not resting enough, you’re doing it wrong. Unlike bodybuilding, where you grind through fatigue, strength training needs full recovery for your nervous system to adapt.

Optimal Recovery for Strength Gains

Recovery FactorBest Practices
Rest Between Sets3-5 minutes (full recovery)
Training Frequency3-4x per week (not daily)
Sleep7-9 hours per night
Mobility WorkDaily stretching & joint care
Active RecoveryLight cardio (walking, swimming)

👉 The Fix: Train hard, rest harder. Your nervous system needs full recovery between workouts, or you’ll stall your strength gains.


Final Takeaway: Train Smart, Stay Lean, Get Strong

  • 💪 Stick to low reps, heavy weights, and long rests
  • 🔥 Choose big lifts & explosive movements—no fluff
  • 😴 Prioritize recovery & avoid overtraining

Follow this plan, and you’ll be lifting like a beast—without looking like one. 🚀

If you’re new to strength training, starting with a solid plan is crucial. Check out this strength training plan for beginners to help you build a strong foundation without gaining unnecessary size.


Final Thoughts – Stay Strong, Stay Lean

Alright, you’ve made it to the finish line! You now have the roadmap to increase strength without turning into the Hulk. Here’s a quick recap of what we’ve learned and how to stay on track for the long haul.


Recap Key Points

  1. Strength vs. Size: Building strength doesn’t mean you’ll automatically gain mass. Focus on low reps, heavy weights, and long rest periods to train your nervous system without overloading your muscles.
  2. Caloric Control: To stay strong without bulking up, eat at maintenance calories and prioritize lean protein to fuel your performance without adding fat or muscle size.
  3. Smart Training: Stick to compound lifts, explosive movements, and limit accessory work. This helps you get stronger without promoting hypertrophy.
  4. Recovery: The most important part of the equation? Rest. Your nervous system needs time to adapt and grow stronger, so don’t skimp on sleep and recovery days.

How to Remain on Track Long-Term

Let’s be real—being strong and lean but without the bulk requires discipline, but it is definitely achievable with the right approach. Here’s how to remain on track long-term:

  1. Monitor Your Gains: Keep an eye on your strength and body composition gains. If you notice excess mass creeping up, tighten up your calories or training volume.
  2. Consistency Is Key: Strength takes time to build. Stick to your routine and don’t get discouraged if results aren’t immediate. Slow and steady wins the race.
  3. Keep It Simple: Don’t overcomplicate things. Follow the principles of low-volume, high-intensity training and keep your diet clean. Stick to the basics, and you’ll see results.
  4. Adapt and Evolve: As your power grows, your routine may require adjustments. Every few months, modify your exercises, weight, or rep ranges to ensure the gains continue.
  5. Rest, Don’t Burn Out: Overtraining causes burnout and injury. Focus on your recovery, and heed your body’s signals. Strength is created with consistent repetition, not by constantly pounding your body into the ground.

Final Word

Staying strong without getting bulky is all about equilibrium. Train purposefully, dine wisely, and rest. It’s a marathon, not a sprint. Keep pushing yourself, but push yourself properly.

Stay strong, stay lean, and keep crushing your goals—without ever looking like you bench press cars.

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